21974080 Volvo FM11 D11A Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by driving the circulation of coolant throughout the engine block and radiator. High-strength components are used to ensure long-term durability and consistent pressure regulation under heavy-duty operating conditions.

Compatible vehicles and engines

The unit is specifically engineered for Volvo vehicles, including the FM series such as the FM 330, FM 450, FM 410, and FM 370. It is also compatible with Volvo FM11 models equipped with D11A engines. Verifying your engine code is recommended to ensure exact fitment.

Installation and maintenance

For proper installation, technicians should inspect the cooling hoses and thermostat while replacing the pump to prevent premature wear. Ensuring the drive belt tension is correct will help maintain optimal performance and prevent leaks in the cooling circuit.

Troubleshooting and selection

Maintaining a clean cooling system helps prevent cavitation and erosion within the pump housing, extending the service life of the component.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21974080.